36VDC 600W electric scooter motor with built-in gear reduction transmission. Gear ratio: 60: 9 (6.67). Motor speed: 3200RPM. Output shaft speed: 420RPM. Includes 10 tooth sprocket for #40 and #420 chain. Powerful four brush permanent magnet electric motor design with 100% ball bearing construction. 24" long 12awg power leads. Shaft rotation reversible by reversing power leads. Mounting bracket measures 4-5/8" x 2-3/4" with 4 mounting holes. Motor dimensions: 4-1/4" outside diameter x 5-1/2" long excluding transmission and output shaft, 8-1/2" long including transmission and output shaft. Weight 11.95 lbs. Glossy black paint finish.